Finding the Fourth Proportional to 356,129.82, 491,459.22 and 194,995.26
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Solution
The fourth proportional to 356,129.82, 491,459.22 and 194,995.26 is: 269,093.50
Step by Step Solution
- Step 1: Write the proportion equation
356,129.82 : 491,459.22 = 194,995.26 : x - Step 2: Convert to fraction form
356,129.82/491,459.22 = 194,995.26/x - Step 3: Cross multiply
356,129.82x = 491,459.22 × 194,995.26 - Step 4: Simplify right side
356,129.82x = 95,832,218,383.30 - Step 5: Solve for x
x = 95,832,218,383.30/356,129.82 - Step 6: Final answer
x = 269,093.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.